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Study of impurities in the Tandem Mirror Experiment using extreme-ultraviolet spectroscopy
Impurities in the Tandem Mirror Experiment (TMX) have been studied using extreme ultraviolet spectroscopy. Three time-resolving absolutely-calibrated normal-incidence monochromators, one on each section of TMX, were used to study the impurity emissions in the wavelength range of 300 A to 1600 A. The instruments on the east end cell and central cell were each capable of obtaining spatially-resolved profiles from 22 chords of the plasma simultaneously while the instrument on the west end cell monitored the central chord. The impurities identified in TMX were carbon, nitrogen, oxygen, and titanium. Emphasis was placed upon determining the impurity densities and radiated power losses of the central cell; results indicate that the impurity concentrations were low - less than 0.4% for each species - and that less than 10% of the total net trapped neutral beam power was lost to radiation. The use of titanium gettering on the central cell walls was observed to decrease the brightnesses of singly- and doubly-ionized carbon and oxygen in the central cell plasma. In the end cells, oxygen was the main impurity with a concentration of about 1.5% and was injected by the neutral beams; the other impurities had concentrations of about 0.5%. Radiation losses from the …
Date:
May 12, 1982
Creator:
Strand, O. T.
Object Type:
Report
System:
The UNT Digital Library
High-efficiency photoionization detector
A high efficiency photoionization detector using tetraaminoethylenes in a gaseous state having a low ionization potential and a relative photoionization cross section which closely matches the emission spectrum of xenon gas. Imaging proportional counters are also disclosed using the novel photoionization detector of the invention. The compound of greatest interest is TMAE which comprises tetrakis(dimethylamino)ethylene which has a measured ionization potential of 5.36 +- 0.02 eV, and a vapor pressure of 0.35 torr at 20/sup 0/C.
Date:
May 12, 1981
Creator:
Anderson, D.F.
Object Type:
Patent
System:
The UNT Digital Library
Numerical simulations of mesoscale precipitation systems. Final progress report, 1 April-30 June 1981
A numerical model designed for the study of mesoscale weather phenomena is presented. It is a three-dimensional, time-dependent model based upon a mesoscale primitive-equation system, and it includes parameterizations of cloud and precipitation processes, boundary-layer transfers, and ground surface energy and moisture budgets. This model was used to simulate the lake-effect convergence over and in the lee of Lake Michigan in late fall and early winter. The lake-effect convergence is created in advected cold air as it moves first from cold land to the warm constant-temperature lake surface, and then on to cold land. A numerical experiment with a prevailing northwesterly wind is conducted for a period of twelve hours. Two local maxima of the total precipitation are observed along the eastern shore of Lake Michigan. The results in this hypothetical case correspond quite well to the observed precipitation produced by a real event in which the hypothetical conditions are approximately fulfilled.
Date:
May 12, 1982
Creator:
Dingle, A. N.
Object Type:
Report
System:
The UNT Digital Library
Liquid-phase methanation/shift process development. Final technical report, September 1, 1980-November 30, 1981
This final technical report covers the work performed between September 1, 1980 and November 30, 1981 relating to Chem Systems' Liquid Phase Methanation/Shift Process. A total of 44 runs were completed covering testing of five commercially available catalysts at 900/sup 0/F, 1000 psig and 10,000 h/sup -1/ VHSV. The shifted methanation feed gas consisted of 63% H/sub 2/, 19% CO, 2% CO/sub 2/ and 16% CH/sub 4/. To determine the effects of steam, twenty of the scans had 15% steam injected into the feed gas. Each test ran for 100, 300, 600 or 1200 hours with continuous effluent sampling and temperature profile monitoring. At each of the termination points, a catalyst sample was taken from the hot spot section of the bed for analysis. Carbon was deposited on the catalyst under the methanation conditions studied. The rate of carbon deposition was primarily a function of catalyst properties and not of the thermodynamics of the methanation reaction system. In spite of heavy carbon deposition, the catalytic behavior for these systems generally remains unaffected. Physical plugging of the catalyst bed is the limiting condition of the process and not catalyst deactivation. In this respect, a controlled oxidation of the carbon deposits is …
Date:
May 12, 1982
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Unix version of CALOR89 for calorimeter applications
CALOR89 is a system of coupled Monte Carlo particle transport computer codes which has been successfully employed for the estimation of calorimeter parameters in High Energy Physics. In the past CALOR89 has been running on various IBM machines and on CRAY X-MP at Lawrence Livermore Lab. These machines had non-unix operating systems. In this report we present a UNIX version of CALOR89, which is especially suited for the UNIX work stations. Moreover CALOR89 is also been supplemented with two new program packages which makes it more user friendly. CALPREP is a program for the preparation of the input files for CALOR89 in general geometry and ANALYZ is an analysis package to extract the final results from CALOR89 relevant to calorimeters. This report also provides two script files LCALOR and PCALOR. LCALOR runs CALOR89 sequences of programs and EGS4 for a given configuration sequentially on a single processor and PCALOR concurrently on a multiprocessor unix workstation.
Date:
May 12, 1992
Creator:
Handler, T. (Tennessee Univ., Knoxville, TN (United States). Dept. of Physics and Astronomy); Job, P.K.; Price, L.E. (Argonne National Lab., IL (United States). High Energy Physics Div.) & Gabriel, T.A. (Oak Ridge National Lab., TN (United States))
Object Type:
Report
System:
The UNT Digital Library
Method for cleaning solution used in nuclear-fuel reprocessing.
A nuclear fuel processing solution containing: (1) hydrocarbon diluent; (2) tri-n-butyl phosphate or tri-2-ethylhexyl phosphate; and (3) monobutyl phosphate, dibutyl phosphate, mono-2-ethylhexyl phosphate, di-2-ethylhexyl phosphate, or a complex formed by plutonium, uranium, or a fission product thereof with monobutyl phosphate, dibutyl phosphate, mono-2-ethylhexyl phosphate, or di-2-ethylhexyl phosphate is contacted with silica gel having alkali ions absorbed thereon to remove any degradation products from said solution. The principal impurities removed from TBP solvent by the process of this invention are monobutyl phosphate, dibutyl phosphate, UO/sub 2//sup 2 +/, Pu/sup 4 +/, and fission products of plutonium and uranium complexed with monobutyl phosphate or dibutyl phosphate. Nitric acid is also removed from the TBP solution by the treated silica gel. Conventional adsorption column techniques are applicable for the process of the invention.
Date:
May 12, 1981
Creator:
Tallent, O. K.; Dodson, K. E. & Mailen, J. C.
Object Type:
Patent
System:
The UNT Digital Library
Conductor for a fluid-cooled winding and method for making same
A conductor and method of making the conductor are provided for use in winding electrical coils which are cooled by a fluid communicating with the conductor. The conductor is cold worked through twisting and reshaping steps to form a generally rectangular cross section conductor having a plurality of helical cooling grooves extending axially of the conductor. The conductor configuration makes it suitable for a wide variety of winding applications and permits the use of simple strip insulation between turns and perforated sheet insulation between layers of the winding.
Date:
May 12, 1981
Creator:
Kenney, W. J.
Object Type:
Patent
System:
The UNT Digital Library
Preliminary designs: passive solar manufactured housing. Technical status report
The criteria established to guide the development of the preliminary designs are listed. Three preliminary designs incorporating direct gain and/or sunspace are presented. Costs, drawings, and supporting calculations are included. (MHR)
Date:
May 12, 1980
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Federally Chartered Corporation: Financial Statement Audit Report for the Legion of Valor of the United States of America, Incorporated, for Fiscal Year 2003
Correspondence issued by the Government Accountability Office with an abstract that begins "GAO reviewed the audit reports covering the financial statements of the Legion of Valor of the United States of America, for the fiscal year ended April 30, 2003. GAO's review disclosed no reportable instances of noncompliance with the financial reporting requirements of the law. The audit reports included the auditor's opinion that the financial statements of the corporation were presented fairly in accordance with generally accepted accounting principles."
Date:
May 12, 2006
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Federally Chartered Corporation: Financial Statement Audit Report for the National Fallen Firefighters Foundation for Fiscal Years 2003 and 2002
Correspondence issued by the Government Accountability Office with an abstract that begins "GAO reviewed the audit reports covering the financial statements of the National Fallen Firefighters Foundation for fiscal years ended December 31, 2003, and 2002. GAO found no reportable instances of noncompliance. The audit report included the auditor's opinion that the financial statements of the corporation were presented fairly in accordance with U.S. generally accepted accounting principles."
Date:
May 12, 2006
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Abusive Tax Avoidance Transactions: IRS Needs Better Data to Inform Decisions about Transactions
A letter report issued by the Government Accountability Office with an abstract that begins "Abusive tax avoidance transactions (ATAT) range from frivolous tax schemes to highly technical and abusive tax shelters marketed to taxpayers by promoters selling tax advice. ATATs threaten the U.S. tax system's integrity if honest taxpayers believe that others do not pay their fair share of taxes. GAO was asked to (1) describe what is known about trends in ATAT usage; (2) describe results of IRS's ATAT enforcement efforts; and (3) evaluate IRS's implementation of the ATAT provisions in the American Jobs Creation Act of 2004. Using criteria from the act, GAO analyzed statistics and other documents on trends and results and interviewed IRS and other tax experts."
Date:
May 12, 2011
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Federally Chartered Corporation: Financial Statement Audit Report for the National Mining Hall of Fame and Museum for Fiscal Year 2003
Correspondence issued by the Government Accountability Office with an abstract that begins "GAO reviewed the audit reports covering the financial statements of the National Mining Hall of Fame and Museum for Fiscal Year 2003. GAO found no reportable instances of noncompliance. The audit report included the auditor's opinion that the financial statements of the corporation were presented fairly in accordance with U.S. generally accepted accounting principles."
Date:
May 12, 2006
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Motor Carrier Safety: Commercial Vehicle Registration Program Has Kept Unsafe Carriers from Operating, but Effectiveness Is Difficult to Measure
A letter report issued by the Government Accountability Office with an abstract that begins "To reduce the number of crashes involving commercial motor carriers, the Federal Motor Carrier Safety Administration (FMCSA) within the Department of Transportation orders unsafe carriers out of service. To help keep these carriers off the road, FMCSA's voluntary Performance and Registration Information Systems Management (PRISM) grant program, a small program funded at $5 million per year, helps states establish information systems connections between state vehicle registration and FMCSA's safety databases. These connections provide states with up-to-date information on carriers' safety status when carriers try to register or renew registrations with the state. For states to deny, suspend, or revoke registrations to out-of service carriers, states must pass legislation enabling them to do so. As directed by a congressional committee, GAO examined (1) PRISM's effectiveness and (2) the potential to fully implement the program nationally. GAO reviewed FMCSA data and discussed PRISM with a wide variety of federal, state, industry, and safety stakeholders"
Date:
May 12, 2009
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Federally Chartered Corporation: Financial Statement Audit Report for the National Tropical Botanical Garden for Fiscal Years 2003 and 2002
Correspondence issued by the Government Accountability Office with an abstract that begins "GAO reviewed the audit reports covering the financial statements of the National Tropical Botanical Garden for Fiscal Years 2003 and 2002. GAO found no reportable instances of noncompliance. The audit report included the auditor's opinion that the financial statements of the corporation were presented fairly in accordance with U.S. generally accepted accounting principles."
Date:
May 12, 2006
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Private Health Insurance: Progress and Challenges in Implementing 1996 Federal Standards
A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a congressional request, GAO provided information on: (1) the implementation status of the Health Insurance Portability and Accountability Act of 1996 (HIPAA) provisions in the group insurance market; (2) the price of coverage for certain individuals losing group insurance; (3) the extent of consumer understanding of HIPAA as well as federal, state, and private efforts undertaken to educate consumers about the law's protections; and (4) federal efforts undertaken to ensure HIPAA compliance."
Date:
May 12, 1999
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library
Defense Logistics: Navy Needs to Develop and Implement a Plan to Ensure That Voyage Repairs Are Available to Ships Operating near Guam when Needed
A letter report issued by the Government Accountability Office with an abstract that begins "Unscheduled ship maintenance, known as voyage repairs, is a high priority for the U.S. Navy. Such repairs are sometimes beyond the capability of the ship's crew to perform; cannot be deferred; and must be made at a remote location. After the 1995 Base Realignment and Closure Commission recommended closing the former Naval Ship Repair Facility, Guam, the Navy leased the property at that facility to the Guam Economic Development and Commerce Authority, which sub-leased the property to a private shipyard. DOD has since begun planning for a military buildup on Guam. In January 2007 the Navy recommended allowing the private shipyard's lease on Navy land to expire in 2012. Consequently, the House Armed Services Committee asked GAO to determine the extent to which the Navy has (1) identified future ship repair requirements at Guam, and (2) identified and assessed options to address those requirements. GAO reviewed documents related to ship maintenance and interviewed officials affiliated with private contractors, the Guam government, the Marine Corps, Military Sealift Command, and the Navy in conducting this review."
Date:
May 12, 2008
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Elections: Electronic Voting Offers Opportunities and Presents Challenges
Testimony issued by the General Accounting Office with an abstract that begins "The technology used to cast and count votes is one aspect of the multifaceted U.S. election process. GAO examined voting technology, among other things, in a series of reports that it issued in 2001 following the problems encountered in the 2000 election. In October 2002, the Congress enacted the Help America Vote Act, which, among other things, established the Election Assistance Commission (EAC) to assist in the administration of federal elections. The act also established a program to provide funds to states to replace older punch card and lever machine voting equipment. As this older voting equipment has been replaced with newer electronic voting systems over the last 2 years, concerns have been raised about the vulnerabilities associated with certain electronic voting systems. Among other things, GAO's testimony focuses on attributes on which electronic voting systems can be assessed, as well as design and implementation factors affecting their performance. GAO also describes the immediate and longer term challenges confronting local jurisdictions in using any type of voting equipment, particularly electronic voting systems."
Date:
May 12, 2004
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Grants Management: EPA Has Made Progress in Grant Reforms but Needs to Address Weaknesses in Implementation and Accountability
A letter report issued by the Government Accountability Office with an abstract that begins "The Environmental Protection Agency (EPA) has faced challenges for many years in managing its grants, which constitute over one-half of the agency's budget, or about $4 billion annually. EPA awards grants through 93 programs to such recipients as state and local governments, tribes, universities, and nonprofit organizations. In response to concerns about its ability to manage grants effectively, EPA issued its 5-year Grants Management Plan in 2003, with performance measures and targets. GAO was asked to assess EPA's progress in implementing its grant reforms in four key areas: (1) awarding grants, (2) monitoring grantees, (3) obtaining results from grants, and (4) managing grant staff and resources. To conduct this work, GAO, among other things, examined the implementation of the reforms at the regional level for two Clean Water Act programs in 3 of EPA's 10 regional offices."
Date:
May 12, 2006
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Private Pensions: Little Information Available on Qualified Supplemental Executive Retirement Plans
Correspondence issued by the Government Accountability Office with an abstract that begins "To raise private savings for workers' retirement, federal law provides tax incentives for contributions to pension plans. Company sponsors of private defined benefit (DB) pension plans can claim a tax deduction for their contribution amount to a tax-qualified pension plan, and employees' taxes on contributions and investment earnings are deferred until they retire and start receiving benefit payments. To achieve and maintain tax-qualified status, DB plans must comply with multiple federal requirements that are designed to ensure that executives and other highly compensated employees (HCE) do not receive excessively high benefits, both in an absolute sense and relative to nonhighly compensated employees (NHCE). These include limits on total benefit levels, limits on the amount of compensation that can be included in determining benefit levels, and limits on disparities in benefits between HCEs and NHCEs. The goal of the nondiscrimination requirements is to encourage expanded coverage and greater distribution of benefits between the highly paid and workers at lower earnings levels. To demonstrate compliance, plan sponsors may use an IRS preapproved plan or develop a customized plan, which must pass general nondiscrimination tests. These tests generally require a plan …
Date:
May 12, 2011
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
International Food Assistance: Better Nutrition and Quality Control Can Further Improve U.S. Food Aid
A letter report issued by the Government Accountability Office with an abstract that begins "For more than 50 years, the United States--which accounts for about half of global food aid supplies--has played an important role in alleviating malnutrition and hunger, especially during emergencies. In fiscal year 2010, the United States spent about $1.5 billion on emergency food aid that reached about 46.5 million beneficiaries. To preserve the nutritional value of food aid, quality controls are in place throughout the supply chain. GAO was asked to assess U.S. efforts to (1) meet the nutritional needs of intended recipients and (2) maintain the quality of commodities throughout the food aid supply chain. GAO analyzed program data, interviewed agency officials and their implementing partners, and conducted fieldwork in the United States and four countries in Africa.."
Date:
May 12, 2011
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Department of the Interior: Outstanding Balances on Some Completed Contracts Should Be Deobligated
Correspondence issued by the General Accounting Office with an abstract that begins "GAO reviewed 31 completed Department of the Interior (DOI) contracts with outstanding balances, focusing on whether the outstanding balances were not needed for contract closeout and could be deobligated."
Date:
May 12, 2000
Creator:
United States. General Accounting Office.
Object Type:
Text
System:
The UNT Digital Library
Telecommunications: Broadband Deployment Plan Should Include Performance Goals and Measures to Guide Federal Investment
A letter report issued by the Government Accountability Office with an abstract that begins "The United States ranks 15th among the 30 democratic nations of the Organisation for Economic Co-operation and Development (OECD) on one measure of broadband (i.e., high-speed Internet) subscribership. The Federal Communications Commission (FCC) has regulatory authority over broadband, and several federal programs fund broadband deployment. This congressionally requested report discusses (1) the federal broadband deployment policy, principal federal programs, and stakeholders' views of those programs; (2) how the policies of OECD nations with higher subscribership rates compare with U.S. policy; and (3) actions the states have taken to encourage broadband deployment. To address these objectives, GAO analyzed the broadband policies of the United States and other OECD nations, reviewed federal program documentation and budgetary information, and interviewed federal and state officials and industry stakeholders."
Date:
May 12, 2009
Creator:
United States. Government Accountability Office.
Object Type:
Report
System:
The UNT Digital Library
Federally Chartered Corporation: Financial Statement Audit Report for the National Council on Radiation Protection and Measurements for Fiscal Year 2003
Correspondence issued by the Government Accountability Office with an abstract that begins "GAO reviewed the audit reports covering the financial statements of the National Council on Radiation Protection and Measurements for Fiscal Year 2003. GAO found no reportable instances of noncompliance. The audit report included the auditor's opinion that the financial statements of the corporation were presented fairly in accordance with U.S. generally accepted accounting principles."
Date:
May 12, 2006
Creator:
United States. Government Accountability Office.
Object Type:
Text
System:
The UNT Digital Library
Unfunded Mandates: Analysis of Reform Act Coverage
A letter report issued by the General Accounting Office with an abstract that begins "The Unfunded Mandates Reform Act of 1995 (UMRA) was enacted to address concerns about federal statutes and rules that require state, local, and tribal governments or the private sector to expend resources to achieve legislative goals. UMRA generates information about the nature and size of potential federal mandates to assist Congress and agency decision makers in their consideration of proposed legislation and rules. However, concerns about actual or perceived federal mandates continue. To provide information and analysis regarding UMRA's implementation, GAO was asked to (1) describe the applicable procedures, definitions, and exclusions under UMRA for identifying federal mandates in statutes and rules, (2) identify statutes and final rules that contained federal mandates under UMRA, and (3) provide examples of statutes and final rules that were not identified as federal mandates, but that affected parties might perceive as "unfunded mandates," and the reasons these statutes and rules were not federal mandates under UMRA. GAO focused on statutes enacted and final rules issued in 2001 and 2002 to address the second and third objectives."
Date:
May 12, 2004
Creator:
United States. General Accounting Office.
Object Type:
Report
System:
The UNT Digital Library